Biomass and Biofuel

Growing plants absorb sunlight and convert it into chemical energy in a process called?

• hydrolysis
• torrefaction
• gasification
• photosynthesis

Which can you do to help conserve a renewable resource?

• cut down trees to build a shopping center
• ride your bike instead of driving a car
• turn off the water when you brush your teeth
• reuse rocks to make a border around your garden

A resource that can be easily replaced.

• renewable
• alternative
• nonrenewable

Timber, pork and corn.

• nonrenewable
• alternative
• renewable

Energy from living organisms.

• fossil fuels
• biofuels
• geothermal
• oil

A resource not easily replaced.

• nonrenewable
• renewable
• alternative

Any useful material found in nature.

• natural
• alternative
• renewable
• nonrenewable

Why are fossil fuels considered nonrenewable resources if they are still forming beneath the surface today?

• They are being formed as a type of methane which we cannot use.
• They are being formed too far beneath the surface.
• The fossil fuels are being broken down by a natural process.
• We are depleting the fossil fuels much faster than they can form.

Which type of alternative energy comes from burning plant matter?

• Hydroelectric
• Geothermal
• Biofuels
• Solar

All of the following are considered alternative energy sources EXCEPT –

• Wind
• Coal
• Biofuel
• Solar